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Finding the Fourth Proportional to 562,532.04, 776,312.78 and 307,883.16

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Solution

The fourth proportional to 562,532.04, 776,312.78 and 307,883.16 is: 424,888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,532.04 : 776,312.78 = 307,883.16 : x
  2. Step 2: Convert to fraction form
    562,532.04/776,312.78 = 307,883.16/x
  3. Step 3: Cross multiply
    562,532.04x = 776,312.78 × 307,883.16
  4. Step 4: Simplify right side
    562,532.04x = 239,013,630,315.37
  5. Step 5: Solve for x
    x = 239,013,630,315.37/562,532.04
  6. Step 6: Final answer
    x = 424,888.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.