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Finding the Fourth Proportional to 1,570,212, 2,355,356.88 and 572,940

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Solution

The fourth proportional to 1,570,212, 2,355,356.88 and 572,940 is: 859,424.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,212 : 2,355,356.88 = 572,940 : x
  2. Step 2: Convert to fraction form
    1,570,212/2,355,356.88 = 572,940/x
  3. Step 3: Cross multiply
    1,570,212x = 2,355,356.88 × 572,940
  4. Step 4: Simplify right side
    1,570,212x = 1,349,478,170,827.20
  5. Step 5: Solve for x
    x = 1,349,478,170,827.20/1,570,212
  6. Step 6: Final answer
    x = 859,424.19

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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.