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Finding the Fourth Proportional to 526,569.60, 787,550.40 and 470,812.80

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Solution

The fourth proportional to 526,569.60, 787,550.40 and 470,812.80 is: 704,159.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,569.60 : 787,550.40 = 470,812.80 : x
  2. Step 2: Convert to fraction form
    526,569.60/787,550.40 = 470,812.80/x
  3. Step 3: Cross multiply
    526,569.60x = 787,550.40 × 470,812.80
  4. Step 4: Simplify right side
    526,569.60x = 370,788,808,965.12
  5. Step 5: Solve for x
    x = 370,788,808,965.12/526,569.60
  6. Step 6: Final answer
    x = 704,159.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.